Sponge mop refill



FIG. 1 is a perspective view of a sponge mop refill showing my newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror imagethereof; and,

FIG. 4 is a front view thereof, the rear view being a mirror imagethereof.

The broken lines of the sponge, hole and fasteners are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a sponge mop refill, as shown and described.